Follow the instructions to remove and reapply the thermal compound:http://www.arcticsilver.com/methods...On a new machine with the temps that high when browsing you have too little, too much, or otherwise incorrect application of the thermal compound. Assuming you are giving core temps, the heat sink the appropriate sizing and is properly tied down, and the other cooling is proper for the case.Just in case: You should have a 120mm to 140mm exhaust fan mounted high up in the rear of the case. That is the basics and all you should need. You CAN use a front intake fan (note the direction of all fans, intake vs exhaust) of 120mm which will add to the air flow over the hard drives and towards the video card. You CAN since you have the bottom mounted power supply, add a second exhaust fan to the rear of the top of the case if the case has the option (120mm to 140mm). If the case does not allow the second exhaust fan you can go with a dual ball bearing, high CFM rear exhaust fan instead of the single regular fan. Period. You should NOT use a side fan since it disrupts the smooth air flow over the components and causes pockets of warm air to remain stagnant.

75C is a little cosy. Was the thermal paste applied "exactly" in accordance with the CPU manufacturers recommendations? I'm assuming that everything including the heat sink is reasonably free from dust.

Temp is high! Is that in idle condition?Check your cooling system. Did you put the heat paste between CPU and cooler properly? Any extra exhaust fans in the box? Is it shutting down or immediately powering off?

Follow the instructions to remove and reapply the thermal compound:http://www.arcticsilver.com/methods...On a new machine with the temps that high when browsing you have too little, too much, or otherwise incorrect application of the thermal compound. Assuming you are giving core temps, the heat sink the appropriate sizing and is properly tied down, and the other cooling is proper for the case.Just in case: You should have a 120mm to 140mm exhaust fan mounted high up in the rear of the case. That is the basics and all you should need. You CAN use a front intake fan (note the direction of all fans, intake vs exhaust) of 120mm which will add to the air flow over the hard drives and towards the video card. You CAN since you have the bottom mounted power supply, add a second exhaust fan to the rear of the top of the case if the case has the option (120mm to 140mm). If the case does not allow the second exhaust fan you can go with a dual ball bearing, high CFM rear exhaust fan instead of the single regular fan. Period. You should NOT use a side fan since it disrupts the smooth air flow over the components and causes pockets of warm air to remain stagnant.

I doubt the extra fan is going to help unless you have a poor one currently. You probably have to remove the heat sink, clean the surfaces off and reapply the thermal compound making sure that the heat sink settles immediately into the exact position with maybe a tiny bit of rotational shifting to align and lock it down.

Okay, I thought it was a software problem ( I checked event viewer, and saw registry errors and such when it shut down) so i reset my C drive, and reinstalled windows. In the middle of installing my window updates, GeForce drivers, and speedfan, it shut down also. It also happened again. I finally got Speedfan, and it said how my temperature of the Core is 80 C, I know it's hot, but do you think it's a failing power supply??

Please note that I have donw some overclocking so I am always monitoring temperatures when doing this. I have had an old Pentium4 that ran up into the 60C occasionally but that CPU was notorious for running hot and I was overclocking it in a factory case with stock cooling. I ran Core2 CPU's E7500 & E8200's overclocked for years and they never ran above the mid 50C's under load. My current CPU i5-4690K I have not overclocked yet as it is fast enough but it idles in the low 30C's and has never went above the mid 40C's. Overclocked I would tolerate temps at idle in the low to mid 40C's and mid 50C's under load. I would never run a CPU daily in the 60C's let alone above 70C except for testing or to find the limits of a CPU (which I tend to stay away from).You REALLY need to deal with your temperature issue as I have laid out above and AFTER that we can help you deal with any remaining issues.

Ok thank you, i am just afraid if it isn't a temperature issue, it would be the power supply, because then i'd have to buy another one. I'll clean out the thermal paste, and add new ones, thanks for the help. I'll get back when I get the results.

Okay, I opened the computer and turned it on to see that the heatsink fan wasn't working. So i reapplied thermal paste, and then replaced the fan, and instantly the temp. went down 20 C, so far no shutdowns. Thank you for all that helped me! I'll check back in soon.

Sometimes I wonder why people post questions in these forums if they're not going to believe the answers they're given, especially when multiple responses ALL suggest the same solution. It took over a week, but I'm glad you finally listened.

"i reapplied thermal paste, and then replaced the fan, and instantly the temp. went down 20 C, so far no shutdowns"

So what is the temperature now? You said it was 80C before, if it's down to 60C, it's still too hot. Did you completely remove all the old thermal material from the top of the CPU & bottom of the heatsink? And then clean them both with alcohol or acetone? AMD CPUs use the "middle dot" method of thermal paste installation. It should NOT be spread. It spreads out on its own when the heatsink is locked in place.

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